public void ShouldDecrementThePlys()
{
var board = new Game.Board();
board.HistoryPly++;
board.Ply++;
board.History.Add(new History {
Move = new Move(new Pawn {
Square = 32
}, 42)
});
board.TakeMove();
board.HistoryPly.Should().Be(0);
board.Ply.Should().Be(0);
}
public void ShouldResetThePositionKeyAfterCastling()
{
const string initialBoardSetupWhiteToMove = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/R3KBNR w KQkq - 0 1";
var board = new Game.Board();
board.ParseFen(initialBoardSetupWhiteToMove);
var m = new Move(new King {
Square = 25, Color = Color.White
}, 23, true);
var initialPositon = board.PositionKey;
board.MakeMove(m);
board.TakeMove();
board.PositionKey.Should().Be(initialPositon);
}
public void ShouldGenerateFourHundredMovesAtDepthOneFromInitialPosition()
{
const string initialBoardSetup = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1";
var board = new Game.Board();
board.ParseFen(initialBoardSetup);
board.GenerateMoves();
for (int count = 0; count < board.Moves[board.Ply].Count; count++)
{
if (board.MakeMove(board.Moves[0][count]))
{
board.GenerateMoves();
board.TakeMove();
}
}
board.Moves[0].Count.Should().Be(20);
board.Moves[1].Count.Should().Be(20);
}
public void ShouldResetThePositionKeyPromotion()
{
const string initialBoardSetupWhiteToMove = "1nbqkbnr/Pppppppp/8/8/8/8/1PPPPPPP/RNBQKBNR w KQk - 0 1";
var board = new Game.Board();
board.ParseFen(initialBoardSetupWhiteToMove);
var m = new Move(new Pawn {
Square = 81, Color = Color.White
}, 91, new Queen {
Square = 91, Color = Color.White
});
var initialPositon = board.PositionKey;
board.MakeMove(m);
board.TakeMove();
board.PositionKey.Should().Be(initialPositon);
}
public void ShouldResetThePositionKeyAfterCapture()
{
const string initialBoardSetupWhiteToMove = "rnbqkbnr/pppppppp/8/8/8/8/1PPPPPPP/RNBQKBNR w KQkq - 0 1";
var board = new Game.Board();
board.ParseFen(initialBoardSetupWhiteToMove);
var m = new Move(new Rook {
Square = 21, Color = Color.White
}, new Pawn {
Square = 81, Color = Color.Black
});
var initialPositon = board.PositionKey;
board.MakeMove(m);
board.TakeMove();
board.PositionKey.Should().Be(initialPositon);
}
public void ShouldResetThePositionKeyAfterTakingBackTheOpeningMove()
{
const string initialBoardSetupWhiteToMove = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1";
var board = new Game.Board();
board.ParseFen(initialBoardSetupWhiteToMove);
var m = new Move(new Pawn {
Square = 34, Color = Color.White
}, 54)
{
IsPawnStartMove = true
};
var initialPositon = board.PositionKey;
board.MakeMove(m);
board.TakeMove();
board.PositionKey.Should().Be(initialPositon);
}